Premium SK5 Steel: Constructed of SK5 carbon steel, designed with precision-honed edges, these high quality utility blades stay sharp longer compared to ordinary blades Versatile Utility: The universal utility knife replacement blades are standard size to fit and deliver optimum performance in most utility knives and box cutters. Thickness: 0.0236 inch / 0.6 mm Two Handy Dispensers: Push the black button to take one utility blade, and pull the bottom to take five utility blades. Safely take one or five utility blades at one time from different positions, meeting your various needs. Dispensers made of quality plastic, 100 refill razor blades included for long-lasting use Innovative Designs: With three holes, the compact blade dispenser can be mounted on the wall for easy access. The scale on the side of the dispenser indicates the remaining utility blades quantity. The separate compartment is designed to offer convenient and safe storage for used utility blades Wide Application: WORKPRO all-purpose utility knife replacement blades are great for cutting a variety of materials, like cardboard, leather, carpet, drywall, sheetrock, linoleum, rope, soft metal, pipe, and paper, and suitable for most DIY Projects WORKPRO Utility Knife Blades, 100-Pack Utility Blades Replacement with Dispenser, SK5 Carbon Steel, Red